#!/bin/bash

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Client side pre-commit hook to assist the committers to ensure the commit messages
# follow the chosen convention.

LOGMESSAGE_FORMAT='^AVRO-[1-9][0-9]*: .*'
COMMIT_MSG_FILE=$1

echo "=========================="
echo "Doing basic commit validation"

echo -n "= Single line commit message: "
COMMIT_LINES=$(cat ${COMMIT_MSG_FILE} | wc -l)
if [ ${COMMIT_LINES} -eq 1 ];
then
  echo "Ok"
else
  echo "Fail: Found ${COMMIT_LINES} lines"
  exit 1
fi

echo -n "= Commit message format: "
if grep -q "${LOGMESSAGE_FORMAT}" ${COMMIT_MSG_FILE}
then
    echo "Ok"
else
    echo "Fail: Must be in this format: ${LOGMESSAGE_FORMAT}"
    exit 1
fi

ISSUE_ID=$(head -1 ${COMMIT_MSG_FILE} | cut -d':' -f1)

echo -n "= CHANGES.txt mentions ${ISSUE_ID}: "
if grep -q "${ISSUE_ID}[^0-9]" CHANGES.txt
then
    echo "Ok"
else
    echo "Fail"
    exit 1
fi
echo "=========================="

exit 0
